View Compilation Error

0_0_36709617_7658.cpp: In function 'Quat operator*(const Quat&, const Quat&)':
0_0_36709617_7658.cpp:26:12: error: expected primary-expression before '(' token
 return Quat(
            ^
0_0_36709617_7658.cpp:28:1: error: expected primary-expression before ',' token
 ,//
 ^
0_0_36709617_7658.cpp:29:1: error: expected primary-expression before ',' token
 ,
 ^
0_0_36709617_7658.cpp:31:1: error: expected primary-expression before ')' token
 );
 ^